Abstract
Cyperaceae is the second largest family of Poales, with about 5700 species distributed in two subfamilies and 95 genera. This family is characterized by the 3-sided stem, spike-shaped inflorescence and the absence of ligule. However, some genera are exceptions, like Fuirena Rottb., Carex L. and Scleria P.J.Bergius, which have a ligule. Scleria is the sixth largest genus of the family, and…